Henry bock



UNITED STATES A HENRY ROOK, OE NEw YORK, N. Y.

PATENT OFFICE.

MACHINE FOR MAKING BUTTONS. l

Specification forming part of Letters Patent No. 46 ,330, dated February 14, 1865.

To all whom t Imay concern Be it known that I, HENRY BOOK, of New York, in the county and State of N ew York,

Vhave invented a new and Improved Machine reference marked thereon.

Figure I represents a front view, Fig. II

Yis a cross section, and Fig. Ill is a plan, of my improved machine.

Glass buttons at present are made b v melting the glass under the blow-pipe upon the metal eye ofthe button, and, when a sut'- ficient quantity of glass has been put on, to press the same into a die having the desired shape of the button, to give the glass the requiredform or shape. By this manner of operation a very great difficulty is experienced when the buttons are required to have sharp corners, and it is almost impossible to make square or triangular-shaped buttons with sharp corners and edges, as the glass is only pressed into the die by hand by means of the pinchers which grip the eye.

My improvement consists in the arrange-4 ment of a plate or presser-bar above the dieblock, and which acts upon the back of the button while the glass is pressed into the countersunk die, whereby the melted glass is forced into the corners ofthe die to produce sharp edges and corners on the face of the button.

ln the accompanying drawings, A is a plate, to which the dieblock B is attached by means of screws a a, or any other suitable arrangement. O is a cross-bar guided by means ofthe rodsD D, moving in the sockets E E, fast to the plate A, or by any other suitable guides while :moving upward or downward. To the middle ofthe bar G a rod, G, is attached, passing through the plate A, as well as through the table to which the machine may be fixed. To the bottom of this rod a cord or strap is fastened, connected to the foot of the operator, by means of which the cross-bar is moved downward. Around the Ymade to receive the eye of the button.

upper end of the rod G a spiral spring, m, is placed between the cross-bar C and the plate A, to force the cross-bar C upward when released from the action of the foot. rIo this cross-bar C the plate or presser-bar H is firmly attached, projecting over the die-block` B. In the end of this presser-bar a slot, n, is To prevent the sudden cooling of the glass while being pressed into theform or die, a gas-llame, L, is arranged under the die-block B, to keep the same hot.

The operation of making glass buttons with this machine is as follows: After a sufficient quantity of glass has been attached or melted upon the metal eye of the button, in the usual manner, the eye is passed into the slot `n at the end ofthe presser-bar H, so that the heated glass will come between the presser-bar Hand the die-block B. The bar C, together with the presser-bar attached, is then suddenly forced downward by the action of the operators foot on the end ofthe strap attached to the rod G, by which operation the heated glass to form the button is forced into the countersunk die, and pressed, through the action ofthe presser-bar H, so as to force the glass into the corners of the die, and insures thereby a perfect and sharp-cornered button, corresponding to the shape and form of the die. The stra-p is then relieved from V"the action ofthe foot, when the spring m will ,force the cross-bar C, as well as the presser-bar H, upward, when the button is taken out of Ythe slot and the machine is ready for the next operation.

What I claim as my invention, and'desire to secure by Letters Patent, is-

lhe arrangement and combination of a presser bar or plate, H, above the die-block, provided with a slot, n, to receive the eye of the button, and operating in the manner and for the purpose substantially as described and set forth.

HENRY BOCK. Witnesses:

HENRY E. ROEDER, S. S. MERRIAM. 

